/* JQuery Curvy Corners by Mike Jolley - http://blue-anvil.com*/
jQuery.fn.corner = function(options) {
  
    var settings = {
      tl: { radius: 8 },
      tr: { radius: 8 },
      bl: { radius: 8 },
      br: { radius: 8 },
      antiAlias: true,
      autoPad: true,
      validTags: ["div"] };
    if ( options && typeof(options) != 'string' )
      jQuery.extend(settings, options);

    return this.each(function() {
      new curvyObject(settings,this).applyCorners();
    });  
    
};
// Curvy corners
function curvyObject() {
  this.box        = arguments[1];
  this.settings       = arguments[0];
  this.topContainer     = null;
  this.bottomContainer  = null;
  this.masterCorners    = new Array();
  this.contentDIV     = null;
  
  var boxHeight       = $(this.box).css("height");
  var boxWidth      = $(this.box).css("width");
  var borderWidth     = $(this.box).css("borderTopWidth");
  var bgImage       = $(this.box).css("backgroundImage");
  
  var boxPosition     = $(this.box).css("position");
  
  var boxPaddingTop     = $(this.box).css("paddingTop");
  var boxPaddingBottom  = $(this.box).css("paddingBottom");
  var boxPaddingLeft    = $(this.box).css("paddingLeft");
  var boxPaddingRight   = $(this.box).css("paddingRight");
  
  // Strip "px"
  this.boxPaddingTop    = strip_px(boxPaddingTop);
  this.boxPaddingBottom   = strip_px(boxPaddingBottom);
  this.boxPaddingLeft   = strip_px(boxPaddingLeft);
  this.boxPaddingRight  = strip_px(boxPaddingRight);

  this.borderColour     = format_colour($(this.box).css("borderTopColor")); 
  this.boxColour      = format_colour($(this.box).css("backgroundColor"));
  
  this.boxHeight      = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1)? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
  this.boxWidth       = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1)? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
  this.borderWidth    = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1)? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
  
 
  this.borderString     = this.borderWidth + "px" + " solid " + this.borderColour;
  this.bgImage      = ((bgImage != "none")? bgImage : "");
  
  // Fix safari
  if (this.bgImage=="initial") this.bgImage = "";
  
  this.boxContent     = this.box.innerHTML;
  if(boxPosition != "absolute") $(this.box).css("position","relative");
  $(this.box).css("padding","0px !important");
  
  // Fix IE6 widths
  if(($.browser.msie && $.browser.version==6) && boxWidth == "auto" && boxHeight == "auto") $(this.box).css("width","100%");
  
  if(($.browser.msie)) {
      $(this.box).css("zoom","1");
      $(this.box +" *").css("zoom","normal");
  }
  
  if(this.settings.autoPad == true && (this.boxPaddingTop > 0 || this.boxPaddingBottom > 0 || this.boxPaddingLeft > 0 || this.boxPaddingRight > 0))
    this.box.innerHTML = "";
  
  this.applyCorners = function() {
    
    for(var t = 0;t < 2;t++) {
      switch(t) {
        case 0:
        if(this.settings.tl || this.settings.tr) {
          var newMainContainer  = document.createElement("DIV");
          var topMaxRadius    = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
          
          
          $(newMainContainer).css({ width:"100%", "font-size":"1px", overflow:"hidden", position:"absolute", "padding-left":this.borderWidth, "padding-right":this.borderWidth, height:topMaxRadius + "px",top:0 - topMaxRadius + "px",left:0 - this.borderWidth + "px"});
          
          this.topContainer     = this.box.appendChild(newMainContainer);
          
        };
        break;
        case 1:
        if(this.settings.bl || this.settings.br) {
          var newMainContainer = document.createElement("DIV");
          var botMaxRadius    = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
          
          $(newMainContainer).css({ width:"100%", "font-size":"1px", overflow:"hidden", position:"absolute", "padding-left":this.borderWidth, "padding-right":this.borderWidth, height:botMaxRadius,bottom:0 - botMaxRadius + "px",left:0 - this.borderWidth + "px"});
          
          this.bottomContainer  = this.box.appendChild(newMainContainer);
          
        };
        break;
      };
    };
    
    if(this.settings.autoPad == true && (this.boxPaddingTop > 0 || this.boxPaddingBottom > 0 || this.boxPaddingLeft > 0 || this.boxPaddingRight > 0)) {
      var contentContainer = document.createElement("DIV");
      $(contentContainer).css("position","relative").html(this.boxContent).addClass = "autoPadDiv";
      var topPadding = Math.abs(topMaxRadius - this.boxPaddingTop);
      var botPadding = Math.abs(botMaxRadius - this.boxPaddingBottom);
      if(topMaxRadius < this.boxPaddingTop)
        $(contentContainer).css("padding-top",topPadding);
      else 
        $(contentContainer).css("padding-top",this.boxPaddingTop);
      if(botMaxRadius < this.boxPaddingBottom)
        $(contentContainer).css("padding-bottom",botPadding);
      else 
        $(contentContainer).css("padding-bottom",this.boxPaddingBottom);
      $(contentContainer).css({"padding-left":this.boxPaddingLeft,"padding-right":this.boxPaddingRight});
      this.contentDIV = this.box.appendChild(contentContainer);
    };
    
    if(this.topContainer) $(this.box).css("border-top",0);
    if(this.bottomContainer) $(this.box).css("border-bottom",0);
    var corners = ["tr", "tl", "br", "bl"];
    for(var i in corners) {
      if(i > -1 < 4) {
        var cc = corners[i];
        if(!this.settings[cc]) {
          if(((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) {
            var newCorner = document.createElement("DIV");
            $(newCorner).css({position:"relative","font-size":"1px", overflow:"hidden"});
            
            if(this.bgImage == "")
              $(newCorner).css("background-color",this.boxColour);
            else
              $(newCorner).css("background-image",this.bgImage).css("background-color",this.boxColour);;
            
            switch(cc)
            {
              case "tl":
                $(newCorner).css({height:topMaxRadius - this.borderWidth,"margin-right":this.settings.tr.radius - (this.borderWidth*2), "border-left":this.borderString,"border-top":this.borderString,left:-this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"), "background-position":this.borderWidth + "px 0px"});
              break;
              case "tr":
                $(newCorner).css({height:topMaxRadius - this.borderWidth,"margin-left":this.settings.tl.radius - (this.borderWidth*2), "border-right":this.borderString,"border-top":this.borderString,left:this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"), "background-position":"-" + (topMaxRadius + this.borderWidth) + "px 0px"});
              break;
              case "bl":
                if(topMaxRadius>0)
                  $(newCorner).css({height:botMaxRadius - this.borderWidth,"margin-right":this.settings.br.radius - (this.borderWidth*2), "border-left":this.borderString,"border-bottom":this.borderString,left:-this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"), "background-position":"0px -" + ($(this.box).height() + topMaxRadius  - this.borderWidth +1) + "px" });
                else
                  $(newCorner).css({height:botMaxRadius - this.borderWidth,"margin-right":this.settings.br.radius - (this.borderWidth*2), "border-left":this.borderString,"border-bottom":this.borderString,left:-this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"), "background-position":"0px -" + ($(this.box).height()) + "px" });
              break;
              case "br":
                if(topMaxRadius>0)
                  $(newCorner).css({height:botMaxRadius - this.borderWidth,"margin-left":this.settings.bl.radius - (this.borderWidth*2), "border-right":this.borderString,"border-bottom":this.borderString,left:this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"),  "background-position":"-" + this.settings.bl.radius + this.borderWidth + "px -" + ($(this.box).height() + topMaxRadius  - this.borderWidth + 1) + "px" });
                else
                  $(newCorner).css({height:botMaxRadius - this.borderWidth,"margin-left":this.settings.bl.radius - (this.borderWidth*2), "border-right":this.borderString,"border-bottom":this.borderString,left:this.borderWidth + "px", "background-repeat":$(this.box).css("background-repeat"),  "background-position":"-" + this.settings.bl.radius + this.borderWidth + "px -" + ($(this.box).height()) + "px" });
              break;
            };
          };
        } else {
          if(this.masterCorners[this.settings[cc].radius]) {
            var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
          } else {
            var newCorner = document.createElement("DIV");
            $(newCorner).css({  height:this.settings[cc].radius,width:this.settings[cc].radius,position:"absolute","font-size":"1px",overflow:"hidden"  });
            var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);
            for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++) {
              if((intx +1) >= borderRadius)
                var y1 = -1;
              else
                var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1);
              if(borderRadius != j) {
                if((intx) >= borderRadius)
                var y2 = -1;
                else
                var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2)));
                if((intx+1) >= j)
                var y3 = -1;
                else
                var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1);
              };
              if((intx) >= j)
                var y4 = -1;
              else
                var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2)));
              if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius);
              if(borderRadius != j) {
                for(var inty = (y1 + 1); inty < y2; inty++) {
                  if(this.settings.antiAlias) {
                    if(this.bgImage != "") {
                      var borderFract = (pixelFraction(intx, inty, borderRadius) * 100);
                      if(borderFract < 30) {
                        this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);
                      } else {
                        this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);
                      };
                    } else {
                      var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius));
                      this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc);
                    };
                  };
                };
                if(this.settings.antiAlias) {
                    if(y3 >= y2)
                    {
                     if (y2 == -1) y2 = 0;
                     this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0);
                    }
                } else {
                    if(y3 >= y1)
                    {
                      this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0);
                    }
                };
                var outsideColour = this.borderColour;
              } else {
                var outsideColour = this.boxColour;
                var y3 = y1;
              };
              if(this.settings.antiAlias) {
                for(var inty = (y3 + 1); inty < y4; inty++) {
                  this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius);
                };                
              };
            };            
            this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);            
          };          
          if(cc != "br") {
            for(var t = 0, k = newCorner.childNodes.length; t < k; t++) {
              var pixelBar      = newCorner.childNodes[t];
              var pixelBarTop     = strip_px($(pixelBar).css("top"));
              var pixelBarLeft    = strip_px($(pixelBar).css("left"));
              var pixelBarHeight    = strip_px($(pixelBar).css("height"));
              
              if(cc == "tl" || cc == "bl") {
                $(pixelBar).css("left",this.settings[cc].radius -pixelBarLeft -1 + "px");
              };
              
              if(cc == "tr" || cc == "tl") {
                $(pixelBar).css("top", this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px");
              };
              
              switch(cc) {
                case "tr":
                $(pixelBar).css("background-position","-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px");
                break;
                case "tl":
                $(pixelBar).css("background-position","-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px");
                break;
                case "bl":
  
                  // Could this be magic?
                  if(topMaxRadius>0)
                    $(pixelBar).css("background-position", "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(($(this.box).height() + topMaxRadius - this.borderWidth + 1)) + "px");
                  else
                    $(pixelBar).css("background-position", "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(($(this.box).height())) + "px");
              
                break;
              };
            };
          };
        };
        
        if(newCorner) {
          switch(cc) {
            case "tl":
            if($(newCorner).css("position") == "absolute") $(newCorner).css("top","0");
            if($(newCorner).css("position") == "absolute") $(newCorner).css("left","0");
            if(this.topContainer) this.topContainer.appendChild(newCorner);
            break;
            case "tr":
            if($(newCorner).css("position") == "absolute") $(newCorner).css("top","0");
            if($(newCorner).css("position") == "absolute") $(newCorner).css("right","0");
            if(this.topContainer) this.topContainer.appendChild(newCorner);
            break;
            case "bl":
            if($(newCorner).css("position") == "absolute") $(newCorner).css("bottom","0");
            if(newCorner.style.position == "absolute") $(newCorner).css("left","0");
            if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
            break;
            case "br":
            if($(newCorner).css("position") == "absolute") $(newCorner).css("bottom","0");
            if($(newCorner).css("position") == "absolute") $(newCorner).css("right","0");
            if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
            break;
          };          
        };
      };
    };
    
    var radiusDiff = new Array();
    radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius);
    radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius);
    for(z in radiusDiff) {
      if(z == "t" || z == "b") {
        if(radiusDiff[z]) {
          var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius)? z +"l" : z +"r");
          var newFiller = document.createElement("DIV");
          $(newFiller).css({  height:radiusDiff[z],width:this.settings[smallerCornerType].radius+ "px",position:"absolute","font-size":"1px",overflow:"hidden","background-color":this.boxColour  });
          switch(smallerCornerType)
          {
            case "tl":
            $(newFiller).css({"bottom":"0","left":"0","border-left":this.borderString});
            this.topContainer.appendChild(newFiller);
            break;

            case "tr":
            $(newFiller).css({"bottom":"0","right":"0","border-right":this.borderString});
            this.topContainer.appendChild(newFiller);
            break;

            case "bl":
            $(newFiller).css({"top":"0","left":"0","border-left":this.borderString});
            this.bottomContainer.appendChild(newFiller);
            break;

            case "br":
            $(newFiller).css({"top":"0","right":"0","border-right":this.borderString});
            this.bottomContainer.appendChild(newFiller);
            break;
          }
      };
        
      var newFillerBar = document.createElement("DIV");
      $(newFillerBar).css({   position:"relative","font-size":"1px",overflow:"hidden","background-color":this.boxColour,"background-image":this.bgImage,"background-repeat":$(this.box).css("background-repeat")});
      switch(z) {
          case "t":
          if(this.topContainer) {
            if(this.settings.tl.radius && this.settings.tr.radius) {
              $(newFillerBar).css({
                        height:topMaxRadius - this.borderWidth + "px",
                        "margin-left":this.settings.tl.radius - this.borderWidth  + "px",
                        "margin-right":this.settings.tr.radius - this.borderWidth  + "px",
                        "border-top":this.borderString
              });
            
              if(this.bgImage != "")
                $(newFillerBar).css("background-position","-" + (topMaxRadius + this.borderWidth) + "px 0px");
              
              this.topContainer.appendChild(newFillerBar);
              
            }; 
            $(this.box).css("background-position", "0px -" + (topMaxRadius - this.borderWidth +1) + "px"); 
          }; 
          break;
          case "b":
          if(this.bottomContainer) {
            if(this.settings.bl.radius && this.settings.br.radius) {
              $(newFillerBar).css({   
                        height:botMaxRadius - this.borderWidth + "px",
                        "margin-left":this.settings.bl.radius - this.borderWidth + "px",
                        "margin-right":this.settings.br.radius - this.borderWidth + "px",
                        "border-bottom":this.borderString   
              });
            
              if(this.bgImage != "" && topMaxRadius>0)
                $(newFillerBar).css("background-position","-" + (this.settings.bl.radius - this.borderWidth) + "px -" + ($(this.box).height() + topMaxRadius - this.borderWidth + 1) + "px");
              else
                $(newFillerBar).css("background-position","-" + (this.settings.bl.radius - this.borderWidth) + "px -" + ($(this.box).height() ) + "px");
              
              this.bottomContainer.appendChild(newFillerBar);
              
            };
          };
          break;
        };
      };
    };
     
  };
  
  this.drawPixel = function(intx, inty, colour, transAmount, height, newCorner, image, cornerRadius) {
    var pixel = document.createElement("DIV");
    $(pixel).css({  height:height,width:"1px",position:"absolute","font-size":"1px",overflow:"hidden"   });
    var topMaxRadius = Math.max(this.settings["tr"].radius, this.settings["tl"].radius);
    // Dont apply background image to border pixels
    if(image == -1 && this.bgImage != "") {
      
      if(topMaxRadius>0)
        $(pixel).css("background-position","-" + ((this.boxWidth - cornerRadius - this.borderWidth)+ intx) + "px -" + (($(this.box).height() + topMaxRadius  - this.borderWidth )-inty) + "px");
      else
        $(pixel).css("background-position","-" + ((this.boxWidth - cornerRadius - this.borderWidth)+ intx) + "px -" + (($(this.box).height() )-inty) + "px");
          
      $(pixel).css({
             "background-image":this.bgImage,
             "background-repeat":$(this.box).css("background-repeat"),
             "background-color":colour,
             "background-position":"-" + ((this.boxWidth - cornerRadius - this.borderWidth)+ intx) + "px -" + (($(this.box).height() + topMaxRadius  - this.borderWidth )-inty) + "px"
      });
    }
    else
    {
      $(pixel).css("background-color",colour);
    };
    
    if (transAmount != 100)
    setOpacity(pixel, transAmount);
    $(pixel).css({top:inty + "px",left:intx + "px"});
    newCorner.appendChild(pixel);
  };
};
function BlendColour(Col1, Col2, Col1Fraction) {
  var red1 = parseInt(Col1.substr(1,2),16);
  var green1 = parseInt(Col1.substr(3,2),16);
  var blue1 = parseInt(Col1.substr(5,2),16);
  var red2 = parseInt(Col2.substr(1,2),16);
  var green2 = parseInt(Col2.substr(3,2),16);
  var blue2 = parseInt(Col2.substr(5,2),16);
  if(Col1Fraction > 1 || Col1Fraction < 0) Col1Fraction = 1;
  var endRed = Math.round((red1 * Col1Fraction) + (red2 * (1 - Col1Fraction)));
  if(endRed > 255) endRed = 255;
  if(endRed < 0) endRed = 0;
  var endGreen = Math.round((green1 * Col1Fraction) + (green2 * (1 - Col1Fraction)));
  if(endGreen > 255) endGreen = 255;
  if(endGreen < 0) endGreen = 0;
  var endBlue = Math.round((blue1 * Col1Fraction) + (blue2 * (1 - Col1Fraction)));
  if(endBlue > 255) endBlue = 255;
  if(endBlue < 0) endBlue = 0;
  return "#" + IntToHex(endRed)+ IntToHex(endGreen)+ IntToHex(endBlue);
};
function IntToHex(strNum) {
  base = strNum / 16;
  rem = strNum % 16;
  base = base - (rem / 16);
  baseS = MakeHex(base);
  remS = MakeHex(rem);
  return baseS + '' + remS;
};
function MakeHex(x) {
  if((x >= 0) && (x <= 9)) {
    return x; 
  } else {
    switch(x) {
      case 10: return "A";
      case 11: return "B";
      case 12: return "C";
      case 13: return "D";
      case 14: return "E";
      case 15: return "F";
    };
  };
};

function pixelFraction(x, y, r) {
  var pixelfraction = 0;
  var xvalues = new Array(1);
  var yvalues = new Array(1);
  var point = 0;
  var whatsides = "";
  var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x,2)));
  if ((intersect >= y) && (intersect < (y+1))) {
    whatsides = "Left";
    xvalues[point] = 0;
    yvalues[point] = intersect - y;
    point = point + 1;
  };
  var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y+1,2)));
  if ((intersect >= x) && (intersect < (x+1))) {
    whatsides = whatsides + "Top";
    xvalues[point] = intersect - x;
    yvalues[point] = 1;
    point = point + 1;
  };
  var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x+1,2)));
  if ((intersect >= y) && (intersect < (y+1))) {
    whatsides = whatsides + "Right";
    xvalues[point] = 1;
    yvalues[point] = intersect - y;
    point = point + 1;
  };
  var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y,2)));
  if ((intersect >= x) && (intersect < (x+1))) {
    whatsides = whatsides + "Bottom";
    xvalues[point] = intersect - x;
    yvalues[point] = 0;
  };
  switch (whatsides) {
    case "LeftRight":
    pixelfraction = Math.min(yvalues[0],yvalues[1]) + ((Math.max(yvalues[0],yvalues[1]) - Math.min(yvalues[0],yvalues[1]))/2);
    break;
    case "TopRight":
    pixelfraction = 1-(((1-xvalues[0])*(1-yvalues[1]))/2);
    break;
    case "TopBottom":
    pixelfraction = Math.min(xvalues[0],xvalues[1]) + ((Math.max(xvalues[0],xvalues[1]) - Math.min(xvalues[0],xvalues[1]))/2);
    break;
    case "LeftBottom":
    pixelfraction = (yvalues[0]*xvalues[1])/2;
    break;
    default:
    pixelfraction = 1;
  };
  return pixelfraction;
};
function rgb2Hex(rgbColour) {
  try {
    var rgbArray = rgb2Array(rgbColour);
    var red = parseInt(rgbArray[0]);
    var green = parseInt(rgbArray[1]);
    var blue = parseInt(rgbArray[2]);
    var hexColour = "#" + IntToHex(red) + IntToHex(green) + IntToHex(blue);
  } catch(e) {
    alert("There was an error converting the RGB value to Hexadecimal in function rgb2Hex");
  };
  return hexColour;
};
function rgb2Array(rgbColour) {
  var rgbValues = rgbColour.substring(4, rgbColour.indexOf(")"));
  var rgbArray = rgbValues.split(", ");
  return rgbArray;
};
function setOpacity(obj, opacity) {
  
    opacity = (opacity == 100)?99.999:opacity;

    if($.browser.safari && obj.tagName != "IFRAME")
    {
      // Get array of RGB values
      var rgbArray = rgb2Array(obj.style.backgroundColor);

      // Get RGB values
      var red   = parseInt(rgbArray[0]);
      var green = parseInt(rgbArray[1]);
      var blue  = parseInt(rgbArray[2]);

      // Safari using RGBA support
      obj.style.backgroundColor = "rgba(" + red + ", " + green + ", " + blue + ", " + opacity/100 + ")";
    }
    else if(typeof(obj.style.opacity) != "undefined")
    {
      // W3C
      obj.style.opacity = opacity/100;
    }
    else if(typeof(obj.style.MozOpacity) != "undefined")
    {
      // Older Mozilla
      obj.style.MozOpacity = opacity/100;
    }
    else if(typeof(obj.style.filter) != "undefined")
    {
      // IE
      obj.style.filter = "alpha(opacity:" + opacity + ")";
    }
    else if(typeof(obj.style.KHTMLOpacity) != "undefined")
    {
      // Older KHTML Based Browsers
      obj.style.KHTMLOpacity = opacity/100;
    }
};
function format_colour(colour) {
  var returnColour = "#ffffff";
  if(colour != "" && colour != "transparent")
  {
    if(colour.substr(0, 3) == "rgb")
    {
      returnColour = rgb2Hex(colour);
    }
    else if(colour.length == 4)
    {
      returnColour = "#" + colour.substring(1, 2) + colour.substring(1, 2) + colour.substring(2, 3) + colour.substring(2, 3) + colour.substring(3, 4) + colour.substring(3, 4);
    }
    else
    {
      returnColour = colour;
    };
  };
  return returnColour;
};
function strip_px(value) {
  return parseInt(((value != "" && value.indexOf("px") !== -1)? value.slice(0, value.indexOf("px")) : 0)) 
}